The 2008 Subaru Impreza wiper blade sizes are 24" drivers side, 16" passenger side and a special 14" rear wiper that is difficult to find in the stores. See sources and related links below for more information. Since there are currently over 22 different wiper arm attachments, do not buy wipers just by length only - be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.
The 2008 Subaru Impreza has a flat 4 engine.
The 2008 Subaru Impreza has a 2.5 L base engine size.
The 2001 Subaru Impreza has a 2.2 L base engine size.
The 2009 Subaru Impreza has a 2.5 L base engine size.
The 2004 Subaru Impreza has a 2.5 L base engine size.
The 2012 Subaru Impreza has a 2.0 L base engine size.
The 2014 Subaru Impreza has a 2.0 L base engine size.
The 2003 Subaru Impreza has a 2.5 L base engine size.
The 2006 Subaru Impreza has a 2.5 L base engine size.
The 2013 Subaru Impreza has a 2.0 L base engine size.
The 2011 Subaru Impreza has a 2.5 L base engine size.
The 2010 Subaru Impreza has a 2.5 L base engine size.